Analysis

  • max time kernel
    128s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2022 18:30

General

  • Target

    ed971aabfbb7e1247a8ffa052a4e5129f476745968995e0e299b825505234c81.exe

  • Size

    2.2MB

  • MD5

    e1d34ec2cf46273d54fd4c54814f950c

  • SHA1

    ee82a7d2ddd78598c5007a73baf1cc2ee42df3fb

  • SHA256

    ed971aabfbb7e1247a8ffa052a4e5129f476745968995e0e299b825505234c81

  • SHA512

    19d9bf1caf152fe71d94567ea3a0863942218f042a0fa3d0ef50665734984920c1a4bd8b10ac3c06242ca34af55897de2ad6d7ced52b7408e93e711630431fec

  • SSDEEP

    49152:EEsJnEevhTHZOyVF3ufFECtD3i43Bt6fltLGF06AMj:EEwnESZoN53PB2lBW0E

Malware Config

Signatures

  • joker

    Joker is an Android malware that targets billing and SMS fraud.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 14 IoCs
  • Modifies registry class 10 IoCs
  • Modifies system certificate store 2 TTPs 35 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed971aabfbb7e1247a8ffa052a4e5129f476745968995e0e299b825505234c81.exe
    "C:\Users\Admin\AppData\Local\Temp\ed971aabfbb7e1247a8ffa052a4e5129f476745968995e0e299b825505234c81.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:824
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x554
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1272

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/824-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

    Filesize

    8KB